2Arteries•There are 2 coronary arteries– Branch immediately from Aortic sinus•The Right Coronary A•Passes along the coronary groove– Gives off an ascending branch to the SA node– Gives off a right marginal branch•Supplies the anterior almost to apex– Travels posteriorly to the crux (cross)
3Arteries - 2•RCA – cont’d•At crux gives off:– AV nodal branch (to AV node)– Post. Interventricular Branch (P. Decending Br.)•The RCA supplies 2/3 heart’s supply•Reaches: Rt Atr, Most of Rt Ven, Part of Lt Ven, SA and AV nodes
has intentionally blurred sections.
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